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[PATCH 20/23] util/iov: Avoid dynamic stack allocation
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 20/23] util/iov: Avoid dynamic stack allocation |
Date: |
Wed, 5 May 2021 23:10:44 +0200 |
Use autofree heap allocation instead of variable-length
array on the stack.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
util/iov.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/util/iov.c b/util/iov.c
index 58c7b3eeee5..fc76d717e14 100644
--- a/util/iov.c
+++ b/util/iov.c
@@ -623,7 +623,7 @@ static int sortelem_cmp_src_index(const void *a, const void
*b)
*/
void qemu_iovec_clone(QEMUIOVector *dest, const QEMUIOVector *src, void *buf)
{
- IOVectorSortElem sortelems[src->niov];
+ g_autofree IOVectorSortElem *sortelems = g_new(IOVectorSortElem,
src->niov);
void *last_end;
int i;
--
2.26.3
- Re: [PATCH 14/23] hw/usb/hcd-ohci: Use definition to avoid dynamic stack allocation, (continued)
- [PATCH 15/23] net: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 16/23] ui/curses: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 17/23] ui/spice-display: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 18/23] ui/vnc-enc-hextile: Use definitions to avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 19/23] ui/vnc-enc-tight: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 20/23] util/iov: Avoid dynamic stack allocation,
Philippe Mathieu-Daudé <=
- [PATCH 21/23] target/ppc/kvm: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 22/23] tests/unit/test-vmstate: Avoid dynamic stack allocation, Philippe Mathieu-Daudé, 2021/05/05
- [PATCH 23/23] configure: Prohibit variable-length allocations by using -Wvla CPPFLAG, Philippe Mathieu-Daudé, 2021/05/05